Patents for H04M 1 - Substation equipment, e.g. for use by subscribers (168,223) |
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01/21/1999 | WO1999003254A1 Personal communication device |
01/21/1999 | WO1999003250A1 Universally interchangeable and modular power supply with integrated battery charger |
01/21/1999 | WO1999003249A1 A method and an arrangement relating to equipment in telecommunication networks |
01/21/1999 | WO1999003244A2 Method of and device for measuring echo parameters on telephone lines |
01/21/1999 | WO1999003198A1 Volume control method and device for a loudspeaker element, hand free device and device for installation inside a vehicle |
01/21/1999 | WO1999003186A1 Improved tamper proof safety circuit |
01/21/1999 | WO1999003119A1 Telephone switching mechanism |
01/21/1999 | WO1999003093A1 Combined speech coder and echo canceler |
01/21/1999 | WO1999003092A2 Modular speech recognition system and method |
01/21/1999 | WO1998048548A3 Multi-function telecommunication device |
01/21/1999 | WO1998048547A3 Tray for automatic dial telephones |
01/21/1999 | WO1998037785A3 Adjustable-width holster with rapid, secure clip for attachment to a belt or strap |
01/21/1999 | DE19730920A1 Computer system adapted for hands-free speech communications |
01/21/1999 | DE19730816A1 Hands-free speech communication arrangement for computer |
01/21/1999 | DE19729521A1 Noise and echo suppression method especially for hands-free apparatus |
01/21/1999 | CA2297655A1 Combined speech coder and echo canceler |
01/20/1999 | EP0892578A2 Cordless telephone (DECT) system capable of providing a data communication service |
01/20/1999 | EP0892565A2 Data transmission system including mechanism for correcting errors in a dialed number |
01/20/1999 | EP0892538A2 Class in-band service delivery over fixed wireless access communication systems |
01/20/1999 | EP0892535A1 Cassette arrangement for handsfree use of a mobile telephone in an automobile |
01/20/1999 | EP0892534A2 Radio telephone |
01/20/1999 | EP0892533A2 Radio telephone |
01/20/1999 | EP0892532A2 Telecommunication network and terminals |
01/20/1999 | EP0892507A1 Portable terminal equipment |
01/20/1999 | EP0892467A1 Gel filled modular electrical connecting block |
01/20/1999 | EP0892447A1 Removable battery pack for a mobile phone |
01/20/1999 | EP0891666A1 Internet on hold |
01/20/1999 | EP0891642A1 Antenna assembly for radiotelephonic device |
01/20/1999 | CN2305025Y Device for preventing mobile telephone from dropping |
01/20/1999 | CN1205821A Modem loop current detect system to detect off-hook condition in extension telephone |
01/20/1999 | CN1205785A Reset circuit for ensuring proper reset when used with decaying power supplies |
01/20/1999 | CN1205606A Portable cellular phone |
01/19/1999 | US5862493 External power source to main battery power sources switch |
01/19/1999 | US5862488 Method and mobile station for activating a playback device in a communication system |
01/19/1999 | US5862475 Communication system that supports wireless remote programming process |
01/19/1999 | US5862473 Relay apparatus for pagers |
01/19/1999 | US5862472 Circuit for indicating loss of portable telephone and control method thereof |
01/19/1999 | US5862215 Protective cover for telephone mouthpiece and/or earpiece |
01/19/1999 | US5862214 Telephone base |
01/19/1999 | US5862212 Method and structure for detecting a customer premises equipment alerting signal |
01/19/1999 | US5862210 Signal detection circuit and telephone apparatus |
01/19/1999 | US5861873 Modular portable computer with removable pointer device |
01/19/1999 | CA2148023C Intelligent call waiting |
01/19/1999 | CA2147906C Personal mobile communication system |
01/19/1999 | CA2066021C Method of rewriting message receive control information stored in radio pager |
01/17/1999 | CA2209036A1 Wireless headphones with portable fm transmitter |
01/14/1999 | WO1999002002A1 Plug-in telecommunication card |
01/14/1999 | WO1999001973A1 Telephone apparatus and user notification method |
01/14/1999 | WO1999001972A1 Accessory item for mobile subscriber equipment |
01/14/1999 | WO1999001971A1 Cellular phone holder |
01/14/1999 | WO1999001865A1 Digital cellular phone with voice recognition function and method for controlling the same |
01/14/1999 | WO1999001848A1 Procedure for the control of applications stored in a subscriber identity module |
01/14/1999 | WO1998040999A3 Digital answering machine |
01/14/1999 | WO1998035516A3 Removable data store |
01/14/1999 | DE19739676C1 Radio communications instrument, especially for mobile or wireless telephone |
01/14/1999 | DE19731293A1 Communications centre for data transfer in card-based telecommunications |
01/14/1999 | DE19729655A1 Stand-by control arrangement for radio telephone |
01/14/1999 | DE19729508A1 Communication apparatus especially digital telephone for ISDN |
01/14/1999 | CA2295727A1 Digital cellular phone with voice recognition function and method for controlling the same |
01/14/1999 | CA2295217A1 Cellular phone holder |
01/13/1999 | EP0891112A1 Auxiliary module for a portable telephone and a set consisting of said module and said telephone |
01/13/1999 | EP0891072A2 Method for signalling services in telephone networks with analog subscriber connections |
01/13/1999 | EP0891066A2 Adaptable menu-controlled man-machine interface. |
01/13/1999 | EP0891065A1 Portable terminal equipment |
01/13/1999 | EP0891050A1 Portable terminal equipment |
01/13/1999 | EP0890293A1 Sampled chamber transducer with enhanced low frequency response |
01/13/1999 | EP0890274A1 Method and apparatus for dialing a b-number within a mobile telecommunications system |
01/13/1999 | EP0890272A1 Use of a mobile station as a cordless telephone |
01/13/1999 | EP0890250A1 Incoming call alerting method for a radio communication apparatus connected to an external apparatus |
01/13/1999 | EP0890249A1 Apparatus and method for reducing speech recognition vocabulary perplexity and dynamically selecting acoustic models |
01/13/1999 | EP0890248A1 Telephone handset convertible into a telephone headset |
01/13/1999 | EP0890247A2 Smart interface technology |
01/13/1999 | EP0666006B1 Method of determining an idle channel in fdm radio transmission systems |
01/13/1999 | CN2304214Y Telephone set having sterilizing and perfuming device |
01/13/1999 | CN1204928A Radio channel connecting programming method |
01/13/1999 | CN1204916A Telephone apparatus with audio recording function and audio recording method of telephone apparatus |
01/13/1999 | CN1204915A Telephone source displayer and method |
01/13/1999 | CN1204914A Intelligence telephone source displayer |
01/13/1999 | CN1204913A Telephone installed caller recognition and dialing displayer |
01/13/1999 | CN1204912A Telephone installed caller recognition displayer |
01/13/1999 | CN1204810A Remote control method, server and recording medium |
01/13/1999 | CN1204802A Function realization system in information processing equipment and apparatus for attaining the system |
01/13/1999 | CN1041683C Method for eliminating acoustic echo in communication device |
01/12/1999 | US5859914 Acoustic echo canceler |
01/12/1999 | US5859913 Method and system for the high-speed generation and transmission of a sequence of characters by means of voice frequencies |
01/12/1999 | US5859909 Portable telephone having a biased rotatable cover |
01/12/1999 | US5859908 Method and apparatus for applying multiple speech processing features to a telephone call |
01/12/1999 | US5859906 For coupling to a subscriber telephone line |
01/12/1999 | US5859905 Cycle-modulating type of dual-tone multifrequency generator |
01/12/1999 | US5859903 Method of displaying caller identification for abandoned call in key-phone system |
01/12/1999 | US5859901 Intelligent call connection service |
01/12/1999 | US5859898 For use in a communications network |
01/12/1999 | US5859897 Telephone calling card and service |
01/12/1999 | US5859896 Telephone line automatic prefix dialer |
01/12/1999 | US5859894 Self-diagnostic system for cellular-transceiver systems with remote-reporting capabilities |
01/12/1999 | US5859522 Electronic device |
01/12/1999 | US5858570 Communication apparatus, electronic apparatus, and battery management method |
01/12/1999 | CA2159383C Automatic call back under control of a telephone terminal |
01/12/1999 | CA2143227C Noise-canceling differential microphone assembly |
01/12/1999 | CA2143226C Single diaphragm second order differential microphone assembly |